{"approach":"Measure frozen stock-entry-gate candidate against incumbent B on the required paired seed block.","tried":"Verified candidate UTF-8 SHA-256 a709c7e85c7dc5200cba83d854cc7ecc9cee8a70915ca79798504da648e9ebed and incumbent UTF-8 SHA-256 baef955ec10728839f7c3357016ec9eb0550e7ec689bbd5171b1cdd5c9e37273 before running. Used unmodified simulator commit b244530ee2a6247b5f930830eeca9dd950da0e7e, default ChallengeConfig and ParameterVariance, 2000 steps, unsandboxed in-process run_batch workers=1; eight OS processes handled disjoint 125-seed ranges for each strategy. Ran every seed 253000..253999, retaining all results; no finalist seeds were used.","next":"Do not promote: the paired total-edge difference is negative and does not exceed twice its standard error. Continue with the incumbent.","code_sha256":"a709c7e85c7dc5200cba83d854cc7ecc9cee8a70915ca79798504da648e9ebed","incumbent_code_sha256":"baef955ec10728839f7c3357016ec9eb0550e7ec689bbd5171b1cdd5c9e37273","tuning":null,"paired":{"seeds":"253000..253999","n":1000,"complete":true,"mean_diff":-0.22177657097700007,"se":0.1827693209910536,"sum_d":-221.77657097700006,"sum_d2":33420.40491826958,"candidate_mean":98.9904724016368,"incumbent_mean":99.2122489726138,"retail_diff":-0.3196544022372003,"retail_se":0.10785212256053822,"arb_diff":0.09787783125919997,"arb_se":0.14060924487996165,"nonzero_diff_seeds":93,"failures":[]},"seconds_per_simulation":1.95}